Pre-Loaded Type I Cassettes

C-71 (35:52 per side) music-grade tape in a classic white sonic-welded shell with yellow leader TONRWHTSONICYL

27 minute audio cassette tapes in a red transparent, 5-screw cassette shell, yellow leader, black screws. Timed 13:56 per side

44:44 minutes (22:22 per side) of super ferro audio tape in a clear 5-screw tabs out shell with graphite liners TONRCLEAR (a bit grungy)

Quality normal bias 90 minute Maxell audio cassettes in retail packaging, ideal for everyday recording

Red Transparent C-47 audio cassettes

Black C-48 Hi-Fi Normal Bias Recycled Audio Cassettes

Maxell Professional/Industrial Communicator Series 120 minute Audio Cassette

C-56 Clear Audio Cassettes with Gray Liners (B Stock). The liners are cut a bit unevenly.

C-60 (30 minutes per side) in black sonic (no screws) tabs out cassette shell, clear leader, loaded with VOICE GRADE audio tape. Voice grade tape has a frequency response of 40 HZ to 5000 HZ. TONRBLACKSW

TDK's famous D90 audiocassettes from 1982. The most popular blank tape ever made. The D90 audio casssette is perfect for general purpose and music recording. 

Vintage TDK C-90 Type-I cassettes, perfect for home recording. These cassettes are factory sealed and have never been used. Comes with plastic case. 45 minutes per side. Cost is per unit.

Black C-22 Normal Bias

49 minutes of music-grade audio tape in a rubine red shell with paper labels